925 STERLING SILVER NECKLACE The pendant and chain are made of 925 sterling silver with high cost rhodium or rose gold plating. These safe materials are hypoallergenic and have oxidation resistance.UNIQUE HEART SHAPED DESIGN CDE 2020 double heart necklace symbolizes love for each other, suitable as Mother's Day gifts for mom, Valentine's Day gifts, Christmas gifts, birthday gifts, wedding gifts, anniversary gifts for her/wife/girlfriend/ women. The open heart necklace is engraved with "I love you forever and ever", expressing love for mother, commitment to a loved one or friendship to a confidant.GEM QUALITY AAAAA CUBIC ZIRCONIA The center of the pendant is inlaid with a gem-quality 5A cubic zirconia. 5A cubic zirconia is the highest quality in zirconia, which is carefully selected from 3A zirconia, with precise size and cut, which reflects the dazzling light like a diamond. THE 12-MONTH BIRTHDAY STONES There are 12 different colors of gemstones, corresponding to the birthstone for each month. You can choose the color according to the month of birth. Ruby in July means passion, kindness and dignity. Olivine in August means happiness. Sapphire in September means love, honesty, virtue. Tourmaline in October means joy and peace. Topaz in November means friendship and hope. Tanzanite in December means victory, good luck and success.